In a right-angled triangle ABC (more than C = 90 degrees), the hypotenuse AB = 20, cos A = 0.6. Find the AC leg.
| March 28, 2021 | education
The leg of a right-angled triangle is the ratio of the leg adjacent to the corner to the hypotenuse of a right-angled triangle.
CosBAC = AC / AB.
AC = AB * CosBAC = 20 * 0.6 = 12 cm.
Answer: The length of the AC leg is 12 cm.
One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.
